package com.heima.wemedia.service.impl;

import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.wemedia.dto.WmLoginDto;
import com.heima.model.wemedia.entity.WmUser;
import com.heima.utils.common.AppJwtUtil;
import com.heima.wemedia.dao.WmUserDao;
import com.heima.wemedia.service.WmUserService;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.util.DigestUtils;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.Map;

/**
 * 自媒体用户表(WmUser)表服务实现类
 *
 * @author makejava
 * @since 2022-04-09 20:45:59
 */
@Service("wmUserService")
public class WmUserServiceImpl implements WmUserService {
    @Resource
    private WmUserDao wmUserDao;

    /**
     * 通过ID查询单条数据
     *
     * @param id 主键
     * @return 实例对象
     */
    @Override
    public WmUser queryById(Integer id) {
        return this.wmUserDao.queryById(id);
    }

    @Override
    public Page<WmUser> queryByPage(WmUser wmUser, PageRequest pageRequest) {

        return null;
    }


    /**
     * 新增数据
     *
     * @param wmUser 实例对象
     * @return 实例对象
     */
    @Override
    public WmUser insert(WmUser wmUser) {
        this.wmUserDao.insert(wmUser);
        return wmUser;
    }

    /**
     * 修改数据
     *
     * @param wmUser 实例对象
     * @return 实例对象
     */
    @Override
    public WmUser update(WmUser wmUser) {
        this.wmUserDao.update(wmUser);
        return this.queryById(wmUser.getId());
    }

    /**
     * 通过主键删除数据
     *
     * @param id 主键
     * @return 是否成功
     */
    @Override
    public boolean deleteById(Integer id) {
        return this.wmUserDao.deleteById(id) > 0;
    }

    @Override
    public ResponseResult login(WmLoginDto dto) {
        if (StringUtils.isBlank(dto.getPassword())||StringUtils.isBlank(dto.getName())){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID, "用户名或密码为空");
        }
        WmUser wmUser=wmUserDao.getByName(dto.getName());
        if (wmUser == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        if (!wmUser.getPassword().equals(DigestUtils.md5DigestAsHex((dto.getPassword()+wmUser.getSalt()).getBytes()))){
            return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }
        Map<String, Object> map = new HashMap<>();
        map.put("token", AppJwtUtil.getToken(wmUser.getId().longValue()));
        wmUser.setSalt("");
        wmUser.setPassword("");
        map.put("user", wmUser);
        return ResponseResult.okResult(map);
    }
}
